11611057401 has 8 divisors (see below), whose sum is σ = 17201566560. Its totient is φ = 7740704916.

The previous prime is 11611057399. The next prime is 11611057411. The reversal of 11611057401 is 10475011611.

11611057401 is a `hidden beast` number, since 1 + 1 + 611 + 0 + 5 + 7 + 40 + 1 = 666.

11611057401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11611057401 - 2¹ = 11611057399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 430039163 = 11611057401 / (1 + 1 + 6 + 1 + 1 + 0 + 5 + 7 + 4 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (11611057411) 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, 215019555 + ... + 215019608.

It is an arithmetic number, because the mean of its divisors is an integer number (2150195820).

Almost surely, 2^11611057401 is an apocalyptic number.

It is an amenable number.

11611057401 is a deficient number, since it is larger than the sum of its proper divisors (5590509159).

11611057401 is an equidigital number, since it uses as much as digits as its factorization.

11611057401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430039172 (or 430039166 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 27.

The spelling of 11611057401 in words is "eleven billion, six hundred eleven million, fifty-seven thousand, four hundred one".