11461620501552 has 40 divisors (see below), whose sum is σ = 31886816012464. Its totient is φ = 3526652461824.

The previous prime is 11461620501521. The next prime is 11461620501557. The reversal of 11461620501552 is 25510502616411.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 11461620501552.

It is not an unprimeable number, because it can be changed into a prime (11461620501557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9183990163 + ... + 9183991410.

Almost surely, 2^{11461620501552} is an apocalyptic number.

11461620501552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11461620501552 is an abundant number, since it is smaller than the sum of its proper divisors (20425195510912).

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

11461620501552 is a wasteful number, since it uses less digits than its factorization.

11461620501552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18367981597 (or 18367981591 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 11461620501552 in words is "eleven trillion, four hundred sixty-one billion, six hundred twenty million, five hundred one thousand, five hundred fifty-two".