901851355955 has 16 divisors (see below), whose sum is σ = 1180634918400. Its totient is φ = 655875502560.

The previous prime is 901851355931. The next prime is 901851355957. The reversal of 901851355955 is 559553158109.

It is a happy number.

It is not a de Polignac number, because 901851355955 - 2¹⁸ = 901851093811 is a prime.

It is a super-2 number, since 2×901851355955² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 901851355955.

It is not an unprimeable number, because it can be changed into a prime (901851355957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2289206 + ... + 2654084.

It is an arithmetic number, because the mean of its divisors is an integer number (73789682400).

Almost surely, 2^901851355955 is an apocalyptic number.

901851355955 is a deficient number, since it is larger than the sum of its proper divisors (278783562445).

901851355955 is a wasteful number, since it uses less digits than its factorization.

901851355955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409834.

The product of its (nonzero) digits is 6075000, while the sum is 56.

The spelling of 901851355955 in words is "nine hundred one billion, eight hundred fifty-one million, three hundred fifty-five thousand, nine hundred fifty-five".