15515302483 has 2 divisors, whose sum is σ = 15515302484. Its totient is φ = 15515302482.

The previous prime is 15515302457. The next prime is 15515302547. The reversal of 15515302483 is 38420351551.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15515302483 is a prime.

It is a super-2 number, since 2×15515302483² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15515302883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7757651241 + 7757651242.

It is an arithmetic number, because the mean of its divisors is an integer number (7757651242).

Almost surely, 2^15515302483 is an apocalyptic number.

15515302483 is a deficient number, since it is larger than the sum of its proper divisors (1).

15515302483 is an equidigital number, since it uses as much as digits as its factorization.

15515302483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 15515302483 in words is "fifteen billion, five hundred fifteen million, three hundred two thousand, four hundred eighty-three".