48855111631 has 4 divisors (see below), whose sum is σ = 48890695752. Its totient is φ = 48819527512.

The previous prime is 48855111611. The next prime is 48855111637. The reversal of 48855111631 is 13611155884.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48855111631 - 2¹⁵ = 48855078863 is a prime.

It is a super-2 number, since 2×48855111631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48855111637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17790001 + ... + 17792746.

It is an arithmetic number, because the mean of its divisors is an integer number (12222673938).

Almost surely, 2^48855111631 is an apocalyptic number.

48855111631 is a deficient number, since it is larger than the sum of its proper divisors (35584121).

48855111631 is a wasteful number, since it uses less digits than its factorization.

48855111631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35584120.

The product of its digits is 115200, while the sum is 43.

The spelling of 48855111631 in words is "forty-eight billion, eight hundred fifty-five million, one hundred eleven thousand, six hundred thirty-one".