2015623761140 has 96 divisors (see below), whose sum is σ = 4624480667520. Its totient is φ = 731864678400.

The previous prime is 2015623761139. The next prime is 2015623761157. The reversal of 2015623761140 is 411673265102.

It is a junction number, because it is equal to n+sod(n) for n = 2015623761094 and 2015623761103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732154004 + ... + 732156756.

It is an arithmetic number, because the mean of its divisors is an integer number (48171673620).

Almost surely, 2^{2015623761140} is an apocalyptic number.

2015623761140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015623761140 is an abundant number, since it is smaller than the sum of its proper divisors (2608856906380).

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

2015623761140 is a wasteful number, since it uses less digits than its factorization.

2015623761140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513 (or 6511 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 2015623761140 in words is "two trillion, fifteen billion, six hundred twenty-three million, seven hundred sixty-one thousand, one hundred forty".