1371155525616 has 40 divisors (see below), whose sum is σ = 3542292573904. Its totient is φ = 457033674240.

The previous prime is 1371155525599. The next prime is 1371155525699. The reversal of 1371155525616 is 6165255511731.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 680700 + ... + 1790436.

Almost surely, 2^{1371155525616} is an apocalyptic number.

1371155525616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1371155525616 is an abundant number, since it is smaller than the sum of its proper divisors (2171137048288).

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

1371155525616 is a wasteful number, since it uses less digits than its factorization.

1371155525616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135489 (or 1135483 counting only the distinct ones).

The product of its digits is 945000, while the sum is 48.

The spelling of 1371155525616 in words is "one trillion, three hundred seventy-one billion, one hundred fifty-five million, five hundred twenty-five thousand, six hundred sixteen".