140215520001 has 32 divisors (see below), whose sum is σ = 188659126656. Its totient is φ = 92630016000.

The previous prime is 140215519991. The next prime is 140215520023. The reversal of 140215520001 is 100025512041.

It is not a de Polignac number, because 140215520001 - 2⁹ = 140215519489 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140215520001.

It is not an unprimeable number, because it can be changed into a prime (140215540001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218744641 + ... + 218745281.

It is an arithmetic number, because the mean of its divisors is an integer number (5895597708).

Almost surely, 2^140215520001 is an apocalyptic number.

It is an amenable number.

140215520001 is a deficient number, since it is larger than the sum of its proper divisors (48443606655).

140215520001 is a wasteful number, since it uses less digits than its factorization.

140215520001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its (nonzero) digits is 400, while the sum is 21.

The spelling of 140215520001 in words is "one hundred forty billion, two hundred fifteen million, five hundred twenty thousand, one".