151515141240 has 64 divisors (see below), whose sum is σ = 460772100000. Its totient is φ = 39850555392.

The previous prime is 151515141233. The next prime is 151515141257. The reversal of 151515141240 is 42141515151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 151515141198 and 151515141207.

It is a congruent number.

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, 8639365 + ... + 8656884.

Almost surely, 2^151515141240 is an apocalyptic number.

151515141240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151515141240 is an abundant number, since it is smaller than the sum of its proper divisors (309256958760).

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

151515141240 is a wasteful number, since it uses less digits than its factorization.

151515141240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17296336 (or 17296332 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 151515141240 its reverse (42141515151), we get a palindrome (193656656391).

The spelling of 151515141240 in words is "one hundred fifty-one billion, five hundred fifteen million, one hundred forty-one thousand, two hundred forty".