1252002541515 has 32 divisors (see below), whose sum is σ = 2191079635200. Its totient is φ = 605429838720.

The previous prime is 1252002541501. The next prime is 1252002541547. The reversal of 1252002541515 is 5151452002521.

It is not a de Polignac number, because 1252002541515 - 2⁸ = 1252002541259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 9947880 + ... + 10072949.

It is an arithmetic number, because the mean of its divisors is an integer number (68471238600).

Almost surely, 2^{1252002541515} is an apocalyptic number.

1252002541515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252002541515 is a deficient number, since it is larger than the sum of its proper divisors (939077093685).

1252002541515 is a wasteful number, since it uses less digits than its factorization.

1252002541515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20021227.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 1252002541515 in words is "one trillion, two hundred fifty-two billion, two million, five hundred forty-one thousand, five hundred fifteen".