151100635540 has 24 divisors (see below), whose sum is σ = 317320840872. Its totient is φ = 60438443520.

The previous prime is 151100635537. The next prime is 151100635579. The reversal of 151100635540 is 45536001151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11091459856 + 140009175684 = 105316^2 + 374178^2 .

It is a super-2 number, since 2×151100635540² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 721120 + ... + 906760.

It is an arithmetic number, because the mean of its divisors is an integer number (13221701703).

Almost surely, 2^151100635540 is an apocalyptic number.

151100635540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151100635540 is an abundant number, since it is smaller than the sum of its proper divisors (166220205332).

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

151100635540 is a wasteful number, since it uses less digits than its factorization.

151100635540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226347 (or 226345 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 151100635540 its reverse (45536001151), we get a palindrome (196636636691).

The spelling of 151100635540 in words is "one hundred fifty-one billion, one hundred million, six hundred thirty-five thousand, five hundred forty".