156101511120220 has 12 divisors (see below), whose sum is σ = 327813173352504. Its totient is φ = 62440604448080.

The previous prime is 156101511120197. The next prime is 156101511120277. The reversal of 156101511120220 is 22021115101651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3902537777986 + ... + 3902537778025.

It is an arithmetic number, because the mean of its divisors is an integer number (27317764446042).

Almost surely, 2^{156101511120220} is an apocalyptic number.

156101511120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156101511120220 is an abundant number, since it is smaller than the sum of its proper divisors (171711662232284).

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

156101511120220 is a wasteful number, since it uses less digits than its factorization.

156101511120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805075556020 (or 7805075556018 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 28.

Adding to 156101511120220 its reverse (22021115101651), we get a palindrome (178122626221871).

The spelling of 156101511120220 in words is "one hundred fifty-six trillion, one hundred one billion, five hundred eleven million, one hundred twenty thousand, two hundred twenty".