11701261536 has 24 divisors (see below), whose sum is σ = 30715811784. Its totient is φ = 3900420480.

The previous prime is 11701261529. The next prime is 11701261639. The reversal of 11701261536 is 63516210711.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 11701261497 and 11701261506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60943975 + ... + 60944166.

It is an arithmetic number, because the mean of its divisors is an integer number (1279825491).

Almost surely, 2^11701261536 is an apocalyptic number.

11701261536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11701261536 is an abundant number, since it is smaller than the sum of its proper divisors (19014550248).

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

11701261536 is a wasteful number, since it uses less digits than its factorization.

11701261536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121888154 (or 121888146 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 11701261536 in words is "eleven billion, seven hundred one million, two hundred sixty-one thousand, five hundred thirty-six".