1055151561 has 8 divisors (see below), whose sum is σ = 1407538080. Its totient is φ = 703099712.

The previous prime is 1055151553. The next prime is 1055151583. The reversal of 1055151561 is 1651515501.

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 1055151561 - 2³ = 1055151553 is a prime.

It is a super-2 number, since 2×1055151561² = 2226689633361473442, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1055151511) 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, 76215 + ... + 88988.

It is an arithmetic number, because the mean of its divisors is an integer number (175942260).

Almost surely, 2^1055151561 is an apocalyptic number.

It is an amenable number.

1055151561 is a deficient number, since it is larger than the sum of its proper divisors (352386519).

1055151561 is a wasteful number, since it uses less digits than its factorization.

1055151561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167335.

The product of its (nonzero) digits is 3750, while the sum is 30.

The square root of 1055151561 is about 32483.0965426635. The cubic root of 1055151561 is about 1018.0558768186.

The spelling of 1055151561 in words is "one billion, fifty-five million, one hundred fifty-one thousand, five hundred sixty-one".