1055113531 has 8 divisors (see below), whose sum is σ = 1064128320. Its totient is φ = 1046133768.

The previous prime is 1055113519. The next prime is 1055113537. The reversal of 1055113531 is 1353115501.

It is a happy number.

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 1055113531 - 2¹⁷ = 1054982459 is a prime.

It is a super-2 number, since 2×1055113531² = 2226529126598575922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055113496 and 1055113505.

It is not an unprimeable number, because it can be changed into a prime (1055113537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53620 + ... + 70606.

It is an arithmetic number, because the mean of its divisors is an integer number (133016040).

Almost surely, 2^1055113531 is an apocalyptic number.

1055113531 is a deficient number, since it is larger than the sum of its proper divisors (9014789).

1055113531 is a wasteful number, since it uses less digits than its factorization.

1055113531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 1055113531 is about 32482.5111560052. The cubic root of 1055113531 is about 1018.0436456752.

The spelling of 1055113531 in words is "one billion, fifty-five million, one hundred thirteen thousand, five hundred thirty-one".