1151655550506 has 32 divisors (see below), whose sum is σ = 2560507416000. Its totient is φ = 383694254640.

The previous prime is 1151655550483. The next prime is 1151655550517. The reversal of 1151655550506 is 6050555561511.

It is a super-2 number, since 2×1151655550506² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5193981 + ... + 5411168.

It is an arithmetic number, because the mean of its divisors is an integer number (80015856750).

Almost surely, 2^{1151655550506} is an apocalyptic number.

1151655550506 is an abundant number, since it is smaller than the sum of its proper divisors (1408851865494).

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

1151655550506 is a wasteful number, since it uses less digits than its factorization.

1151655550506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10607171 (or 10607165 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 1151655550506 in words is "one trillion, one hundred fifty-one billion, six hundred fifty-five million, five hundred fifty thousand, five hundred six".