1055015655 has 8 divisors (see below), whose sum is σ = 1688025072. Its totient is φ = 562675008.

The previous prime is 1055015651. The next prime is 1055015659. The reversal of 1055015655 is 5565105501.

It is an interprime number because it is at equal distance from previous prime (1055015651) and next prime (1055015659).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055015655 - 2² = 1055015651 is a prime.

It is a super-2 number, since 2×1055015655² = 2226116064590158050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055015651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35167174 + ... + 35167203.

It is an arithmetic number, because the mean of its divisors is an integer number (211003134).

Almost surely, 2^1055015655 is an apocalyptic number.

1055015655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055015655 is a deficient number, since it is larger than the sum of its proper divisors (633009417).

1055015655 is an equidigital number, since it uses as much as digits as its factorization.

1055015655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70334385.

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 1055015655 is about 32481.0045257224. The cubic root of 1055015655 is about 1018.0121656123.

It can be divided in two parts, 105501 and 5655, that added together give a triangular number (111156 = T₄₇₁).

The spelling of 1055015655 in words is "one billion, fifty-five million, fifteen thousand, six hundred fifty-five".