27215401231000 has 64 divisors (see below), whose sum is σ = 63842852885760. Its totient is φ = 10859012800000.

The previous prime is 27215401230973. The next prime is 27215401231019. The reversal of 27215401231000 is 13210451272.

It is a super-2 number, since 2×27215401231000² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27215401231000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33533416 + ... + 34335415.

It is an arithmetic number, because the mean of its divisors is an integer number (997544576340).

Almost surely, 2^{27215401231000} is an apocalyptic number.

27215401231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27215401231000 is an abundant number, since it is smaller than the sum of its proper divisors (36627451654760).

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

27215401231000 is a wasteful number, since it uses less digits than its factorization.

27215401231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67869253 (or 67869239 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 27215401231000 its reverse (13210451272), we get a palindrome (27228611682272).

The spelling of 27215401231000 in words is "twenty-seven trillion, two hundred fifteen billion, four hundred one million, two hundred thirty-one thousand".