1151664122540 has 24 divisors (see below), whose sum is σ = 2418520251840. Its totient is φ = 460660773888.

The previous prime is 1151664122507. The next prime is 1151664122599. The reversal of 1151664122540 is 452214661511.

It is a super-2 number, since 2×1151664122540² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151664122494 and 1151664122503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092349 + ... + 2584811.

It is an arithmetic number, because the mean of its divisors is an integer number (100771677160).

Almost surely, 2^{1151664122540} is an apocalyptic number.

1151664122540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151664122540 is an abundant number, since it is smaller than the sum of its proper divisors (1266856129300).

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

1151664122540 is a wasteful number, since it uses less digits than its factorization.

1151664122540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609401 (or 609399 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 1151664122540 in words is "one trillion, one hundred fifty-one billion, six hundred sixty-four million, one hundred twenty-two thousand, five hundred forty".