11312629542 has 24 divisors (see below), whose sum is σ = 24613261920. Its totient is φ = 3755097360.

The previous prime is 11312629499. The next prime is 11312629553. The reversal of 11312629542 is 24592621311.

11312629542 is a `hidden beast` number, since 1 + 13 + 12 + 629 + 5 + 4 + 2 = 666.

It is a super-2 number, since 2×11312629542² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11312629497 and 11312629506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1310509 + ... + 1319112.

It is an arithmetic number, because the mean of its divisors is an integer number (1025552580).

Almost surely, 2^11312629542 is an apocalyptic number.

11312629542 is an abundant number, since it is smaller than the sum of its proper divisors (13300632378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11312629542 is a wasteful number, since it uses less digits than its factorization.

11312629542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629868 (or 2629865 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The spelling of 11312629542 in words is "eleven billion, three hundred twelve million, six hundred twenty-nine thousand, five hundred forty-two".