1055215051 has 8 divisors (see below), whose sum is σ = 1158038784. Its totient is φ = 953540520.

The previous prime is 1055215043. The next prime is 1055215067. The reversal of 1055215051 is 1505125501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055215051 - 2³ = 1055215043 is a prime.

It is a super-3 number, since 3×1055215051³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055215151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285375 + ... + 289048.

It is an arithmetic number, because the mean of its divisors is an integer number (144754848).

Almost surely, 2^1055215051 is an apocalyptic number.

1055215051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1055215051 is a deficient number, since it is larger than the sum of its proper divisors (102823733).

1055215051 is a wasteful number, since it uses less digits than its factorization.

1055215051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574601.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 1055215051 is about 32484.0738054820. The cubic root of 1055215051 is about 1018.0762957087.

The spelling of 1055215051 in words is "one billion, fifty-five million, two hundred fifteen thousand, fifty-one".