125362533420 has 72 divisors (see below), whose sum is σ = 393379000560. Its totient is φ = 32277248640.

The previous prime is 125362533409. The next prime is 125362533431. The reversal of 125362533420 is 24335263521.

125362533420 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 625 + 3 + 3 + 4 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (125362533409) and next prime (125362533431).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12002686 + ... + 12013125.

It is an arithmetic number, because the mean of its divisors is an integer number (5463597230).

Almost surely, 2^125362533420 is an apocalyptic number.

125362533420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125362533420 is an abundant number, since it is smaller than the sum of its proper divisors (268016467140).

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

125362533420 is a wasteful number, since it uses less digits than its factorization.

125362533420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24015855 (or 24015850 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 125362533420 its reverse (24335263521), we get a palindrome (149697796941).

The spelling of 125362533420 in words is "one hundred twenty-five billion, three hundred sixty-two million, five hundred thirty-three thousand, four hundred twenty".