1151619923172 has 48 divisors (see below), whose sum is σ = 2707464561984. Its totient is φ = 380974608000.

The previous prime is 1151619923147. The next prime is 1151619923183. The reversal of 1151619923172 is 2713299161511.

It is a super-3 number, since 3×1151619923172³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526522 + ... + 1606382.

It is an arithmetic number, because the mean of its divisors is an integer number (56405511708).

Almost surely, 2^{1151619923172} is an apocalyptic number.

1151619923172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151619923172 is an abundant number, since it is smaller than the sum of its proper divisors (1555844638812).

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

1151619923172 is a wasteful number, since it uses less digits than its factorization.

1151619923172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080540 (or 1080538 counting only the distinct ones).

The product of its digits is 204120, while the sum is 48.

The spelling of 1151619923172 in words is "one trillion, one hundred fifty-one billion, six hundred nineteen million, nine hundred twenty-three thousand, one hundred seventy-two".